It was almost midnight when a big fire _____ in the neighborhood.

Where are you going for your winter vocation– We _______ go to Hainan, but we are not sure.

When the mother realized what had happened to her child, she ________ her face in her hands. So no one could see her expression.

Nowadays people take___ exercise a day asthey did in the past because of widely used automobiles

It’s amazing that Bob and Steven________each other so much.— Don’t you know they’re twins?[ ]